TOP > Yoshimura product site > MUFFLER > STREET SPORTS > FULL SYSTEM > STAINLESS > R-11 > FULL SYSTEM R-11 / STREET SPORTS
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| Main Material | Stainless steel |
| Static Noise Decibel : dB/ Measured at : rpm |
107.5dB/5,250rpm : without dB killer |
| 99.0dB/5,250rpm : with option dB killer (SD#97) |
| Power | +5.8% / 11,200rpm*(1) |
| Torque | +5.6% / 6,700rpm |
| Weight | -3.7kg* *(2) |
| Static Noise Decibel : dB/ Measured at : rpm |
106.5dB/5,250rpm : without dB killer |
| 99.0dB/5,250rpm : with option dB killer (SD#97) |
| Power | +4.9% / 11,300rpm*(1) |
| Torque | +6.4% / 3,300rpm |
| Weight | -3.7kg* *(2) |
SM （Metal Magic cover）
Parts No.170-150-5F20
| Weight（STD9.3kg） | 5.8kg |
SSF （Satin Finish cover）
Parts No.170-150-5F30
| Weight（STD9.3kg） | 5.8kg |
STB （Titanium Blue cover）
Parts No.170-150-5F80B
| Weight（STD9.3kg） | 5.6kg |
